Answer:
Step-by-step explanation:
x = father's age
y = son's age
Nowadays:
3x = y
5 years ago:
4(x - 5) = y - 5
4x - 20 = y - 5
4x = y + 15
I hope I've helped you.
You know $89.64 is 65%
<span>and you want to find out 100% </span>
<span>so: </span>
<span>??? = 100% </span>
<span>89.64 = 65% </span>
<span>89.64 x 100 = 8964 </span>
<span>8964 : 65 = 137.90769 </span>
<span>So you know 100% are 137.90769 </span>
<span>Then you round up to 2 decimals </span>
<span>So the answer is, before the sale the shoes cost $137.91 </span>
Answer:
3 raise to -7 ÷3 raise to -10 × 3 raise to -5
3 raise to -7-(-10)×3 raise to -5
3 raise to 3×3 raise to -5
3 raise to 3+-5
3 raise to -2
1/3²
1/9
hope it helps you!
Answer:7.8cm
Step-by-step explanation:
have a good weekend
6/6 but it simplifies to 1
